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Lot of 5 x IBM T42 Laptop
Intel Mobile Centrino - 1.7 GHz Processor, 1 GB Ram, 40 GB Harddrive, DVD-ROM Drive, WiFi/Wireless Internet, 56K Modem & Hi-Speed Ethernet, Windows COA (Not Installed), 14.1" inch Display, AC Adapters & Battery Packs

Price: US$469.00

Hp EliteBook 8440P
Intel Core i5 2.4GHz Processor, 4GB DDR3 Ram, 250GB SATA Hard Drive, DVD-RW Drive, Firewire, WIFI, High-Speed Ethernet Windows 7 Professional (COA) Not Installed, 14.1 Wide Screen


Price: US$225.00

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Used computer hardware

Used computer hardware


Computer hardware is a corporal part of a computer that execute within the hardware. It is unlike computer software or data that can be regularly changed, modified, or erased on a computer. Computer hardware is not regularly changed and so is stored in hardware devices such as read only memory (ROM) where it is not readily changed. Most computer hardware is embedded and so is not visible to normal users. Below are the different types of hardware's found in a computer.

 

Motherboard: It is the central or primary circuit board making up a complex electronic system such as a computer. A motherboard is also known as main board, logic board or system board.

 

Central processing Unit: A CPU is the major component of a digital computer that interprets instructions and process data in computer programs.

 

Random Access Memory: RAM allows the stored data to access in any order. RAM is considering as the main memory of the computer where the working area used for displaying and manipulating data.

Basic Input Output System: BIOS prepares the software programs to load, execute, and control the computer.

Computer Bus: It is used to transfer data or power between computer mechanisms inside a computer or between computers.
 

CD-ROM drive: It contains data reachable by a computer

 Floppy disk: It is a data storage device. Hard Disk: Stores data on a magnetic surface layered a non-volatile data storage system unto hard disk platters.


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